Q: Is 628,920 a Prime Number?
A: No, 628,920 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 628920 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 1,747 3,494 5,241 6,988 8,735 10,482 13,976 15,723 17,470 20,964 26,205 31,446 34,940 41,928 52,410 62,892 69,880 78,615 104,820 125,784 157,230 209,640 314,460 and 628,920, with no remainder.
Since 628,920 cannot be divided by just 1 and 628,920, it is not a prime number.